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A133797 Apply the map n -> sigma(phi(n)) to A023758. 1
0, 1, 1, 3, 3, 3, 12, 7, 7, 12, 15, 15, 15, 28, 15, 72, 31, 31, 60, 31, 72, 91, 63, 63, 124, 63, 168, 91, 312, 127, 127, 252, 127, 360, 195, 312, 255, 255, 255, 508, 255, 744, 403, 728, 255, 1240, 511, 511, 1020, 511, 1512, 819, 1560, 511, 1240, 1860 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
CROSSREFS
Sequence in context: A233202 A101480 A156715 * A225073 A152575 A170851
KEYWORD
nonn
AUTHOR
J. H. Conway, Jan 05 2008
STATUS
approved

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)